find the number of integers satisfying the following inequalities (1) x^4 -5x^2 + 4 <= 0
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put x2 =t. .
t2-5t+4 less than or equal to 0
t2-4t-t +4 less than " " " " " " " " "
(t-4) (t-1) less """"""""""
(x2-4)(x2-1) less ''""""""
(x-2)(x+2)(x-1)(x+1)less''""'""""
this inequality is satisfied (-1,-2)U(1,2)
t2-5t+4 less than or equal to 0
t2-4t-t +4 less than " " " " " " " " "
(t-4) (t-1) less """"""""""
(x2-4)(x2-1) less ''""""""
(x-2)(x+2)(x-1)(x+1)less''""'""""
this inequality is satisfied (-1,-2)U(1,2)
championanand:
how many number of integers is satisfying.
none
wrong
sorry
about interval sahi h
yes
Answered by
5
it is the right ans
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